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WTB : Quality Headphone amp

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WTB : Quality Headphone amp Empty WTB : Quality Headphone amp

Post by CLH Fri May 28, 2010 9:01 am

Looking for a used Headphone amp (tube or SS) with capability to bring out the best of Sennheiser HD650 or AKG K701. If you have one to offer please PM or call/sms to 017-3610218. Thanks very much.
CLH
CLH
Regular
Regular

Number of posts : 94
Age : 62
Location : Selangor
Registration date : 2009-06-14

Character sheet
Source(s): Tape, Vinyl, CD, SACD, digital
Amplification: Mark Levinson, Audio Research Ref110
Speakers: Wilson Audio Sophia II, Apogee miniGrand

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WTB : Quality Headphone amp Empty Re: WTB : Quality Headphone amp

Post by wabun Fri May 28, 2010 9:25 am

WTB : Quality Headphone amp Rimg0811

The OTL headphone amp with line preamplifier. I can sell for RM700
Separate power supply. Welcome for audition. Interest, contact me
016 5581515

more info:

http://gilmore2.chem.northwestern.edu/projects/ciuff_prj.htm

wabun
Frequent Contributor
Frequent Contributor

Number of posts : 411
Age : 43
Location : Ipoh
Registration date : 2009-03-02

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WTB : Quality Headphone amp Empty Re: WTB : Quality Headphone amp

Post by wabun Fri May 28, 2010 2:53 pm

>>SORRY, UNABLE REPLY THE PM, MY ACCOUNT ALWAYS CANNOT SEND MSG<<

Hi, the headphone section is Andrea design, it is exactly same design as
mentioned in:
[url=http://gilmore2.chem.northwestern.edu/projects/showfile.php?file=waarde1_prj.htm]http://gilmore2.chem.northwestern.edu/projects/showfile.php?file=waarde1_prj.htm[/url]

This is a fully working unit, with No hum at all and very good S/N. The unit consists a headphone amplifier ( per Andrea Ciuffoli design ) and a linestage
amplifier ( which using the same input stage as headphone amp but with solid state output stage.) The preamp sound is very warm in nature. The chassis
is made by three pcs of solid rubber wood ( 20mm x 3) clamped together ( 12 inch x 9 inch), rock solid and 3 wooden spike beneath it for very stable mounting. The amp come with a separate power supply. Power supply module weight about 5KG, amp itself weight about 4KG. There will be one NOS Voskod 6H23P ( 6922/ 6DJ8)
and one US made GE 6080 tubes attached. Quality parts inside, ALPS Japan volume pot, Philips BC electrolitic caps , Vishay resistors, MKP polypropelene coupling caps..The amp sounds good and you will be amazed with it's preamp ability as well. Thanks

WTB : Quality Headphone amp Rimg0812

Power Supply Module
WTB : Quality Headphone amp Rimg0610

wabun
Frequent Contributor
Frequent Contributor

Number of posts : 411
Age : 43
Location : Ipoh
Registration date : 2009-03-02

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WTB : Quality Headphone amp Empty Graham Slee Solo SRG headphone amp

Post by opar Sat May 29, 2010 12:35 am

Hi,

I have a Solo Studio Reference Green headphone amp including PSU1 linear power supply for sale

Both items 1 year old. Mint condition (9/10)

Complete with packaging, manuals.

Asking RM2,100 - negotiable

Please call/SMS - 012 9189 762, Raj

Specifications:

Headphone impedance range: 16 to 600 Ohms preferred; 8 to 2,000 Ohms acceptable
Headphone Jack: 1/4 inch (6.35mm)
Power output (rms, both channels fully driven) 32 Ohms: 27mW/channel; 600 Ohms: 23mW/channel
Distortion (THD plus noise, ref 1kHz): 0.02%
Frequency response (-3dB) 32 Ohms load: 27Hz - 35kHz; 600 Ohms load: 10Hz - 39kHz
Channel balance: better than 1dB, "9 to 3 o'clock" positions
Crosstalk: Left to Right -57dB; Input to Input -68dB
Output Stage: Bipolar class AB

More info:
[url=http://www.headphoneamplifiersusb.com/soloheadphoneamplifier.htm]http://www.headphoneamplifiersusb.com/soloheadphoneamplifier.htm[/url]



WTB : Quality Headphone amp Solo_f10
WTB : Quality Headphone amp Solo_b10
WTB : Quality Headphone amp Psu110
WTB : Quality Headphone amp Solo_b11

opar
Regular
Regular

Number of posts : 91
Age : 43
Location : Ara Damansara
Registration date : 2009-03-11

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