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About hakiu

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  1. I got original wooden crates , so its possible to ship interstates. However, given its weight ( net: 16kg each , gross: more than 20kg each), would highly prefer local pick up. Comes with 4 extra 6AS7G tubes A pair of rarely offered Audio Valve Baldur 70 "Baby Baldurs" monoblocks for sale. RRP was $12500.00 when purchased. The 300 big brother is currently $34000. They are both outstanding amplifiers. Typical review.....These 70W tubed monoblocks are very well made and pleasant to look at. The Baldurs possess all the strengths associated with tubes, but also have an extended, airy top end. Overall, the Baldur 70s are very musical sounding, and for USD $9000/pair provide good performance, especially for their power range..... Very good condition with a few minor marks. Operationally perfect. For further info and review see: http://www.audiovalv...ve baldur70.php During the CES show in Las Vegas 2003, the need for a smaller version of Baldur 200+ became apparent. Size and price were main cause for the search for an alternative consumers entrance into the ‘world of BALDURS’ ! Thus said and done, AudioValve can offer you, as shown in the accompanying illustrations, the final developments and esthetics of BALDUR 70 (“baby-baldurâ€). World premier performance was at the ‘High-End-Show’ in Frankfurt-Germany, Summer of 2003. Like in all AudioValve’s larger model power-amps, our proven fully automatic bias regulator –short ABR- at the powertubes, also appears here in the power stages of BALDUR 70. This is world wide unique and this feature is a ‘must’ for relevant tasks to stabilize the bias of the power valves and actually belongs standard into 21fst century tube-technology - at least with AudioValve ! - Safety, reliability and durability are synonym for our tubeamps for over a decade! Apart from the high reliability of the outputstage, the ‘baby-Baldur’ unites further interesting, typical AudioValve’s refinements on the part of the concept. As for the powertubes, BALDUR 70 utilizes only four 6AS7G’s / ch. where BALDUR 200-plus uses eight 6AS7G’s per channel. (And in doing so, it’s the only world-wide power stage, using 8 tubes coupling a clean 150Watts power-output to a dampingsfactor of 100!!) The baby-Baldur cannot compete completely with the extreme standard of Baldur 200, but gives a real run for its money, and makes a quiet worthy and certainly more inexpensive entrance possible to a true triode Poweramp. And with this masterpiece one immediately recognizes the incomparable quality of a correct trimmed set of 6AS7G’s !! (75W/ch) But what makes this outputstage something special? It is the sum of all consistently architected thoughts and accomplished development-steps. All electronics of the BALDUR 70 are on one enormous printed circuit board accommodated -a masterpiece of a special kind- evenly typically AudioValve, with the advantage that all the production models of whichever AudioValve model is exactly like its reference sample! In contrast to “hardwired†components , where the outcome varies with the construction technician…, as to often, unfortunately, the case is. With free wiring one amplifier is hardly like the other. But that is certainly not the only reason for this one PCB; dynamic interrelations can settle in between elements in context of the total construction. Only the use of a well thought out and calculated printed circuit board, will stabilize these conditions. If using the power triode 6AS7G, first tried in 1982 in the original Baldur 100, there are a number of demands to meet before this tube will perform to its maximum ability. For one there has to be a stable electrical environment to sustain this highly demanding tube if you expect maximum musicality during its entire lifetime. The intricacies and traps with the 6AS7G are too many to perform this task without an automated bias circuit and simply cannot be done without AudioValve’s ABR! Besides that will ABR forces all tubes effectively in a “common modeâ€, fundamental for any multiple tube design. Traditionally this task is performed with a screwdriver, to adjust the biascurrent, but that is only momentarily, if at all. Even selected tubes cannot hold there promise in the long term, because tubes run their own life, and a matched pair or quad will be matched only for so long!! The ABR of the BALDUR 70 will regulate each of the two triodes in one glass bulb and so on with the other tubes. All together the 6AS7 G is still protected by reversible devices. Whenever you see this tube in use, accompanied with only half a dozen components around this tube,skepticism will be your best advisor. If you should have to change a powertube in the BALDUR 70, the respectively related ABR circuit will indicate so, and you exchange only that one to another, for ex. a new one. BALDUR 70 is more or less indestructible, even if you shortcircuit the output, or inadvertently, leave it running without load. That, by the way, applies to all our amps! BALDUR 70 reaches with a dampingfactor of 20 not the dream-value of its big brother, nevertheless in comparison with its competition it plays absolutely in the upper league; while generally dampingfactor of tubeamplifiers is not their strongest feature. In particular OTL designs with a damping factor of 1 or 2 will make you believe that they’re wonderfully musical. Well, maybe in exceptional cases, certainly not generally, simply because without control over the speaker from the amp, there is no such thing as musicality! The damping realized in BALDUR 70 means strong, clean, dry, thumpy and sharply outlined bass; accompanied of the soundstage and velvet high’s only known from real triodes. BALDUR 70 will not only drive ‘tube-friendly’ speakers, a wide range of dynamic speakers are well within the limits of its power; even magnetostatic speakers can easily be driven! Thereby, the BALDUR 70 will drive excellently a multiplicity of usual loudspeakers. Naturally BALDUR 70 has also a driver stage before output stage. AudioValve hasn’t let that pass unnoticed! It consists of four (!) double triodes/ch, responsible for tension-amplification and current-amplification, splitting of the complementary wave to feed the parallel-mirror-symmetrical coupling to powertubes. Filament voltage as well as plate voltage of the driver section are stabilized, and provide a solid, rock steady operation conditions. The r0emaining characteristics of BALDUR 70 resemble otherwise those of BALDUR 200-plus.
  2. Hi Mike: Wondering do you have Andy hifi repair contact no ? Where is its location ? Many thanks Merv
  3. Item: Boulder 1060 power amplifier Location: BRISBANE Price: $14,000.00 Item Condition: Excellent 9/10, also includes boulder customised power cord adaptor which allow you to use high end power cord. Reason for selling: Downsized to Bookshelf, NLR Payment Method: Pickup - Cash, EFT Extra Info: This great amplifier needs no introduction. It has superb engineering and build quality, has enough power to drive any speaker load, is tomb quiet & very natural sounding. I have enjoyed my time with this amplifier tremendously, but I have now downsized to bookshelf speakers, no longer required this monster. On the technical side, the Boulder 1060 is a true differentially balanced, direct coupled, dual mono, class a/b amplifier which operates in class a for the first 17 watts before switching to class ab. Boulder put a lot of effort into perfecting the circuit design (including the biasing) and spent a lot of time notching out crossover distortion. As a result the 1060 is linear in operation like a class A amp. The design and specifications of the 1060 are just astonishing. Virtually every component of the amp is designed and manufactured in-house (Including the cad-designed cnc machined/hand-finished chassis), whilst those that are not are custom-made to Boulder specifications. Nothing is off the shelf. The 1060 features twin potted 1.5kva transformers, bridge rectification, 48 filter capacitors (24 per channel), 56 bipolar output devices & Boulder proprietary 983 gain stages. Protection circuitry is also reassuringly robust. Boulder guarantee 300 watts continuous power into any load, but the 1060 feels more powerful than that and one suspects that figure is conservative. But for all that power, the 1060 only pulls around 60 watts at idle, and 15 watts in standby, meaning you are not hurting your power bill (or the environment). This is an amp for a serious audiophile & is capable of amazing sound matched with a good preamp and cables. The the input impedance of the 1060 is 100k ohms (balanced) or 50k ohms (unbalanced) which is benign to even the weakest tube preamps.The 1060 is a high input impedance amp, so you don't have any impedance mismatch issues. This amp is a 240v Australian sale example (not converted from 110v). It comes with original wooden crates. Here are the specifications - OUTPUT POWER: 300W / 8,4,2 Ohms PEAK POWER: 700W / 4 Ohms, 1200W / 2 Ohms THD and NOISE: 20 to 2kHz: .001 20kHz: .005 FREQ RESPONSE: -3 dB @ 0.015Hz, 150kHz VOLTAGE GAIN: 26 dB S/N RE: 500W/8: 127 dB, Unweighted 20 to 20kHz BW INPUT IMPEDANCE: Bal: 50k, Unbal: 25k Ohms INPUT CONNECTORS: 3 Pin Balanced SIZE: 18.0 wide, 9.5 high, 22.5 deep (in.) (Add 12 in. for power connector) WEIGHT: 140, Shipping: 220 Pounds POWER: 120 VAC, 50-60 Hz, 3000 W Max Link to a comprehensive review I posted on Audiogon - http://forum.audiogo...amps Link to the Ultra Audio review - http://www.ultraaudi...as_20050115.htm Link to the product page - http://www.boulderamp.com/1060-p1.html Link to the datasheet - http://boulderamp.co...60DataSheet.pdf Photos:
  4. Yes, it is adjustable , can raise it from bottom to top.
  5. Item: Solid Tech Rack of Silence 1 for Amp Silver Location: Brisbane Price: $500 PICK Up (RRP $1015) Item Condition: Great condition, shows normal sign of use. Reason for selling: NLR Payment Method: Pickup - Cash Extra Info: Outstanding AMP Rack with beautiful design Photos:
  6. Item: Audeze iSine 20 portable planar magnetic headphones with Cipher lightning cable Location: Brisbane Price: $600 with free delivery national wide, will donate if sold here Item Condition: Excellent, shows minor sign of use which can refer to the attached photos. Reason for selling: Back to over-ear headphones Payment Method: Pickup - Cash, Paypal (3% surcharge on top ), COD Only Extra Info: Purchased from Beijing Edifier Technology ( Audeze distributor in China) end of October 2018 while travelled there, receipt will be provided. It comes with box and all accessories. Used around 200 hours so far, never had any problems. So please buy with confidence. Photos:
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