Rm.501, 5/F., Lee Loong Building
4 Queen Victoria Street, Central, Hong Kong

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Type: All

Last Modify: 2023/09/02

Shipping, tax, and handling costs is not included in the price.
Model No. SAE X-25A Hypersonic Class A Power Amplifier
Description


SAE X-25A Hypersonic Class A power amplifier.

The Hyperpersonic Power Output circuit is carried in order to know the limit state of every speaker and to realize the amplifier which drives in the correct range and frequency even when connecting with every speaker.

Circuit system: Hypersonic Class A amplifier with constant current and fixed bias
Symmetrical composition: Balanced complementary design
Output: 250W + 250W (8ohm, 20Hz~20kHz, both channel drive, THD 0.02%)
Intermodulation distortion rate: 0.025% (SMPT method, 70Hz: 7kHz = 4:1)
Frequency characteristics: 20Hz~20kHz +0 -0.5dB (at rated output)
S/N ratio: 110dB (IHF-A short)
Input sensitivity: 0.15V
Transient overload recovery time: 1.5usec. / 20 msec.
Feedback: 22dB
Frequency characteristics in open loop: +80kHz
12 power transistors / ch
TIM: Unmeasurable
Protection function: DC offset (No Short or Current Limiting)
Dimension: W485x H185x D390 mm
Net weight: 24kg
AC voltage: AC-120V 50/60Hz


Condition7 / 10
Retail Price (HKD) 12,800.00
Retail Price (USD)1,695.00
QtyONE
Status  
Model No. Audiocraft SD-33 Disc Stabilizer w/ Box #2
Description


Audiocraft SD-33 disc stabilizer. Net weight 730 grams. Comes with original packing box and user manuel.


Condition8 / 10
Retail Price (HKD) 2,000.00
Retail Price (USD)265.00
QtyONE
Status 
Model No. Audiocraft TM-300 Anti-Static TT Sheet
Description


Audiocraft TM-300 wool combine with rubber anti-static turntable sheet.


Condition8 / 10
Retail Price (HKD) 2,800.00
Retail Price (USD)371.00
QtyONE SET
Status 
Model No. Hibino Electro Sound Inc Zenn (I) MC Cartridge
Description


Rare and hard to find moving coil cartridge which order made by Japanese audiophile factory Hibino Electro Sound Inc Japen, Zenn (I) at '80.

Type: Moving coil cartridge
Output: 0.5mV
Stylus pressure: 2.0~3.0 gram (Recommend 2.5 gram)
Frequency response: 10~30,000Hz
Channel separation: 25dB/1kHz
Channel balance: 1.0dB
Compliance 9 10-6cm/dyne@
Internal impedance: 8 ohm
Stylus: 0.30.8mil Line contract
Cantilever: Aluminum alloy
Net weight: 8.8 gram


Condition9 / 10
Retail Price (HKD) 8,800.00
Retail Price (USD)1,166.00
QtyOne
Status  
Model No. Denon DA-309 Tonearm Sub Weight
Description


Denon DA-309 tonearm sub weight.

Type: Sub weight for Denon DA-309 tonearm
Features: Can handle cartridge weight from 15~25 gram when add on DA-309 tonearm

For sell item is Denon DA-309 tonearm sub weight only, not included Denon DA-309 tonearm which shown on sample photos.


Condition8 / 10
Retail Price (HKD) 1,000.00
Retail Price (USD)132.00
QtyOne
Status 
Model No. Audiocraft AS-4K Tonearm Headshell Black
Description


Audiocraft AS-4K tonearm headshell in black color finishing.

Type: Universal tonearm headshell
Net weight: 12 gram


Condition8 / 10
Retail Price (HKD) 1,180.00
Retail Price (USD)156.00
QtyOne
Status 
Model No. Acoustic Research AR-98LS Speaker System
Description


Rare Acoustic Research AR-98LS speaker system.

Type: Air Suspension closed enclosure 4 ways 4 units speaker system
Tweeter: 0.75" dome
Mid/high: 1.5" done
Mid/low: 8" cone
Woofer: 12" cone
Crossover frequencies: 20, 1,100, 5500 Hz
Frequency response: 39-32kHz +/-3dB
Impendance: 4 ohm
Dimension: W15.5x H29.5x D10 inches
Sensitivity: 87dB
Net weight: 63lb (Each)


Condition7 / 10
Retail Price (HKD) 8,800.00
Retail Price (USD)1,166.00
QtyPair
Status  
Model No. Sony TTS-6000/AT-1503 II/ Lead Console TT Set
Description


Sony TTS-6000 direct drive turntable with Audio Technica AT-1503 II tonearm and Lead Console LWB-IC turntable plinth set.

Sony TTS-6000
Type: Direct drive turntable
Speed: 33 1/1 & 45rpm
Wow and flutter: 0.025% (WRMS)
S/N ratio: 73dB (DIN-B)
AC voltafe: AC-100V 50/60Hz

Audio Technica AT-1503 II
Type: Professional static balance type
Overall length: 323 mm
Effective length: 254 mm
Overhang: 15 mm
Stylus pressure range: 0~3.0 gram
Arm height adjust range: 45~70 mm
Tracking error: 2 degree (maximum)
Handle cartridge weight range: 8~28 gram (With shell)
Headshell: L-13
Headshell net weight: 13 gram

Lead Console LWB-IC
Type: Turntable plinth
Material: Lead combine with ply wood
Finishing: Solid cherry wood
Dimension: W54.5x D44.5cm


Condition8 / 10
Retail Price (HKD) 5,800.00
Retail Price (USD)768.00
QtyONE SET
Status 
Model No. Lo-D Hitachi HS-500 Horn Speaker System Photo
Description


Add sample photos of Lo-D Hitachi HS-500 Horn Speaker System.

More detail information and sample photos please visit:
http://topclassaudio.com/web/eng/used_product_details.jsp?gid=8279


Conditionxx / 10
Retail Price (HKD) xx
Retail Price (USD)xx
Qtyxx
Status 
Model No. Lo-D Hitachi HS-500 Horn Speaker System Pair
Description


Rare Lo-D Hitachi HS-500 horn speaker system pair.

Type: Two ways two units horn speaker system
Tweeter: H-70HD horn tweeter
Woofer: L-200 20cm cone
Crossover frequencies: 3kHz
Sensitivity: 88dB/W/m
Frequency response: 40~20,000Hz
MAX input: 20W
Input impendance: 8 ohm
Dimension: W36x H61x D34cm
Net weight: 22kg (Each)

More sample photos please visit:
http://topclassaudio.com/web/eng/used_product_details.jsp?gid=8280


Condition9 / 10
Retail Price (HKD) 8,800.00
Retail Price (USD)1,166.00
QtyPAIR
Status 

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Goods sold are not returntable. Subject to terms and conditions exchange of goods can be considered.