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Digital Indeed TDA7498E 160 Watts X 2 R.M.S (4 Ohm) Amplifier!!

New 2018 Version Indeed TDA7498MKII Coming ! please browse item: 253241059139 on Ebay

                                             Description and tech specs

The Indeed TDA7498E is a so-called Class D integrated amplifier, based on the STMicroelectronices chipset. 

 the chip makes use of a kind of "Digital Power Processing",

this is, more or less, a Class D amplifier with high rate switching properties.

What’s new come from this Indeed TDA7498E amplifier?


1/ The DC power reserve up to 2 X 8200MFd 50V with Japan nichicon capacitors, deep bass as punch in sound reproduction.

2/ High cost OFC Copper Air Coils will get good Q-values than ferromagnetic core base coil, frequency response is very good linearity in both high/low end and less losses;

 the sound effect is smooth and sweet to hear like as analog LP records.

3/ Indeed TDA7498E amplifier can be drive the low sensitive speaker more dynamic and excite even loading to 4 Ohm impedance, either the speaker has 83dB only!

4/ We can period 1 year warranty since you buy it, because we are Indeed Hi Fi Lab.

     Specification of Indeed TDA7498E amplifier:

  • Input power: DC 12-36V <4A
     
  • Power socket : (5.5mm outlet / 2.5mm centre pin) x 1
     
  • Audio Input: RCA input (Left/Right) X1  / 3.5mm stereo socket X1
  • Input sensitive: 200mV
     
  • Speaker OUT (Left) x 1 pair (+ / -)
    Speaker OUT (Right) x 1 pair (+ / -)
     
  • Single LED Indicator : Red (stand by) Green( Power ON)
     
  • Power Output (DC36V power supply)
  •  
    160W+160W R.M.S : RL = 4Ω
    THD =10%

       120W+120W  R.M.S:  RL = 6Ω,  THD = 10%

       100W+100W  R.M.S:  RL = 8Ω,  THD = 10%

  • Amplifier Efficiency90%
  • SNR:100dB
  • Front Panel: Silver or Black
  • Case Material: Fully Aluminum Alloy
  • Over all dimension:(W)140mm x (H)40mm x (D)140mm
  • Weight: 0.56Kg net

 

 Indeed SDK-3605 DC power adapter

Specification of Indeed SDK-3605 DC adapter:

  • AC input power: AC90-265V 50-60Hz >3A / IEC socket
     
  • DC output: DC 36V 5000mA (5A)
  • DC Power jack (5.5mm outlet / 2.5mm centre hole)
  • Dimension:(W)82mm x (H)40mm x (D)170mm
  • Length of DC cable: 950mm
  • Weight: 0.55Kg net
  • No any AC power cord / plug including.

Update review of Indeed TDA7498E

Hi Peter,

48 hours burn in phase behind Dagmar and me want to give you our first impressions/ assessment of your excellent TDA7498E-amp.

First of all: You've really done a great job! See our happy faces on the picture attached - but please do NOT publish the picture or pass it to others!

In particular:

- Needs long burn in phase, 24h minimum, better 48h. Slight harshness especially in woman's voices before, disappears completely after burn in.

- After burn in mid and treble resolution comparable to TA2021S - slight advantages sometimes for TA2021S, sometimes for Indeed TDA7498E, depending on audio material. Mid and treble resolution better than SMSL SA-98E: Compared with Indeed TDA7498E, SA-98E sounds like "through curtain" and sometimes slight artificial attenuation of sibilants.

All other amps we tried before show even worse mid and treble resolution/even less detailed reproduction.

- Strong, stable and sovereign bass, even on higher levels, even on 4Ohm speakers. Better than any other chip class d/t amp, even other TDA7498E-amps such as SMSL SA-98E or FX-Audio FX1002A.

Remark: On low levels TA2021S shows excellent performance even in bass. If not to much SPL needed, quality (not quantity, of course) of bass is comparable to Indeed TDA7498E. One more indicator for the excellent overall qualities of your TA2021S-amp - great, still absolutely and strongly recommendable!!

- Great spatial reproduction, deep soundstage! Spatial resolution and spatial separation of musical instruments comparable to TA2021S - both only surpassed by excellent spatial resolution of TA2024 chip based amps such like SMSL SA-4S (otherwise TA2024 shows no power, no bass).

- Excellent, real low noise power supply!

Next week I will meet some of my friends, also audio-affine people, I will present your TDA7498E, too. One of these friends are currently listening to music with your TA2021S, he especially is strongly interested in your TDA7498E, will report.

Hope, that I will find time to analyze Indeed TDA7498E more deeply, will report if further findings.

Best regards,

Jens

6-3-2014 

Hi Peter,

As I told you, XXXXXXXXX audio expert group - an association/community of interest of engineers, scientists (acoustics, physics), and musicians - met yesterday. One of the tops was Class-D-amps, especially those incorporating SGS-Thomsons/STs TDA7498E-Chip.

I presented new Indeed TDA7498E-amp. Comparison amps were (already fine) SMSL SA-98E and FX-Audio FX1002A. Group members couldn't believe they listened to different implementations of the same chipset when switching between amps. They agreed Indeed's TDA7498E sounds much more detailed in mid-high and offered more "direct" and more "clean" audio reproduction rather than its competitors. Bass was more stable and more "dry" on Indeed's amp vs. the other ones. Group member Ulf immediately ordered Indeed TDA7498E whilst our listening session using his mobile, other members announced also to order your excellent TDA7498E-amp.

We are quite sure that such type of amp will meet European audiophile demands, not only in the German speaking countries. I, myself, would immediately order such kind of amp if available, and I'm sure, many group members would join me. Wishing you all the best and good selling of your TDA7498E.

Very best regards,

Jens

13-3-2014

                                                Shipping weight 2Kg

Retail package contents:

1 x  Indeed TDA7498E Black panel version Amplifier

1 X  Indeed adapter SDK-3605 AC90~265V 50/60Hz  to DC36V5A (without any AC power cord in package)

    Notice:

This item come without any AC power cord, please buy the IEC standard power cord in local shop to fit for your need!

By some reasons; we don't provide any user's manual /circuit diagram/ invoice in package!

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