littlemart 0 Report post Posted May 15, 2015 (edited) SG-300 This is a Tube Pre-amp with USB DAC + Headphone Amp. Naiting sweet sound all thanks to the high quality PSVANE tube. Thick solid low-frequency, low-frequency powerful. Beside using as headphone amp, it a prefect match with the mini power amp Miu Audio MKP-1 as well as to all other mini integrated amplifier of your choice. Pre-amp helps to give extra gain to the power of your amplifier should you think their power is not enough. Using CS4398 DAC, TI TPA6120A2 (headphone amp) USB, AUX input Tube pre-output Tube use – Premium GOLD PSVANE 12AT7-T II (贵族之声) 2 headphone amp slot (6.25mm/3.5mm) and can support impedance range :8-1000 ohm Support 32kHz-96kHz Support 16bit-24bit Supports tube rolling (12AT7, ECC81, 6201, GT-12AT7, 6C22D etc. etc. ) Selling at $195 ----------------------------------------------------------------------------------------------------------------- SG-100 Strong thrust, easily drive all headphones. Provide a high level audio resolving power and give a very sweet and warm sounding that will let you enjoy this little amp alot. NXP TFA9815T high-efficiency Class D digital power chip supporting up to 25W*2 output power. TE7022L USB support 24bit/96kHz, using an CS4398 DAC chip to decode. TPA6120A2 Headphone-AMP support impedance range from 8-1000 ohm Built in Power supply Selling at $165 Edited November 18, 2015 by littlemart Share this post Link to post Share on other sites
littlemart 0 Report post Posted November 15, 2015 Sense Audio SENSE G1 – Tube Pre-Amp/DAC/Headphone Amplifier A very Versatile mini Tube Pre-Amp/Headphone Amp with up to Coax/Optical/USB DAC function. Using pcm5102 decoder chip and many foreign crew were using this chip. USB input part of the upgrade is asynchronous 192KHz / 32bit receiver chip CM6631A, to facilitate access to other digital devices , increase fiber and coaxial digital inputs, retained line input and output analog signals, so can also be used as a STANDALONE DAC (For Headphone only) or Pre-Amp. - Class A Hybrid, Tube(preamp) + VMOS (power Field Effect Transistor chip) - OPT, COAX, USB, AUX input - AUX as Pre-Amp or DAC - USB using CM6631A, DAC using PCM5102 - USB Support mobile OTG for Android 4.3 and above - Tube use – Beijing’s 2P2J - Headphone amp slot 6.35mm and can support impedance range :32-300 ohm - Support up to 196kHz - Support 16bit-32bit Supports tube rolling (changeable with 1S4 /3S4 / DL92 / CV820 / 2P2 / 2N2N). Upgrade Tubes are available here Selling at $200 (Note power cord is not included) Deduct $15 off for Bundle with Audio Grade USB Cable (limited to 1 pcs only) Share this post Link to post Share on other sites